<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>float</title>
	<style type="text/css">
		.box1{
			width: 604px;
			height: 604px;
			border: 1px black solid;
			margin: 0 auto;
		}
		img{
			float: left;
			margin: 50px;
			border: 1px black solid;
		}
	</style>
</head>
<body>
	<div class="box1">
		<div><img src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1536899431966&di=74df857685085634a5933599a3f857e1&imgtype=0&src=http%3A%2F%2Fimg.duoziwang.com%2F2018%2F04%2F2410310013230.jpg"></div>
		<div><img src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1536899431966&di=74df857685085634a5933599a3f857e1&imgtype=0&src=http%3A%2F%2Fimg.duoziwang.com%2F2018%2F04%2F2410310013230.jpg"></div>
		<div><img src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1536899431966&di=74df857685085634a5933599a3f857e1&imgtype=0&src=http%3A%2F%2Fimg.duoziwang.com%2F2018%2F04%2F2410310013230.jpg"></div>
		<div><img src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1536899431966&di=74df857685085634a5933599a3f857e1&imgtype=0&src=http%3A%2F%2Fimg.duoziwang.com%2F2018%2F04%2F2410310013230.jpg"></div>
	</div>
</body>
</html>